cold start surging

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Nov 16, 2004 | 09:14 AM

jimogrady

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cold start surging

I have a 2000 f250 diesel (45k miles) and on a cold start the engine surges tremendously - definitely not normal. The cylinders do not appear to all be firing and the engine is very off-balance, but only if it is cold 50 degrees or below and it has been sitting for a long time.
I took it into the dealer and they are saying it is normal after replacing glow plug relay. I have also tried changing the batteries and fuel filter. The dealership is saying this is a problem with the oil and it is too thick and needs changed, but I only have 2500 miles on this oil change (using 10w-30).

Any Ideas?

thanks - Jim

Nov 16, 2004 | 10:53 AM

Luke80916

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Joined: Oct 2004

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From: Colorado Springs, Co.

When starting my 2000 7.3L in the cold (25 and below) it surges for about 2 minutes then smoothes out.

Nov 16, 2004 | 11:02 AM

MO2002F250

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My 2002 7.3 will do the same thing when the temperature falls below about 35. If you plug it in at night it will not so this. I think it is normal, when the engine is so cold.